[填空题]
At an accident scene onln:b)2p xsze8b 35k up a level road, i kdc2v5h/7m;os s3kx:5mat yinvestigators measure a car’s skid mark to be 88 m long. The accident occurred on a rainy day, and the coefficient of kinetic friction was estimated to be 0.42. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes. (Why does the car’s mass not 5 m2sa m skcvkx/yh7;i3tdo 5:matter?) m/s
